windows/keyboard.c

   1 /*
   2  * KEYBOARD driver
   3  *
   4  * Copyright 1993 Bob Amstadt
   5  * Copyright 1996 Albrecht Kleine
   6  * Copyright 1997 David Faure
   7  * Copyright 1998 Morten Welinder
   8  * Copyright 1998 Ulrich Weigand
   9  *
  10  */
  11
  12 #include <stdlib.h>
  13 #include <string.h>
  14 #include <ctype.h>
  15
  16 #include "windef.h"
  17 #include "wingdi.h"
  18 #include "winuser.h"
  19 #include "wine/keyboard16.h"
  20 #include "win.h"
  21 #include "heap.h"
  22 #include "keyboard.h"
  23 #include "user.h"
  24 #include "message.h"
  25 #include "callback.h"
  26 #include "builtin16.h"
  27 #include "debugtools.h"
  28 #include "winerror.h"
  29
  30 DEFAULT_DEBUG_CHANNEL(keyboard);
  31 DECLARE_DEBUG_CHANNEL(event);
  32
  33 /**********************************************************************/
  34
  35 static LPKEYBD_EVENT_PROC DefKeybEventProc = NULL;
  36 LPBYTE pKeyStateTable = NULL;
  37
  38 /***********************************************************************
  39  *           KEYBOARD_Inquire                   (KEYBOARD.1)
  40  */
  41 WORD WINAPI KEYBOARD_Inquire(LPKBINFO kbInfo)
  42 {
  43   kbInfo->Begin_First_Range = 0;
  44   kbInfo->End_First_Range = 0;
  45   kbInfo->Begin_Second_Range = 0;
  46   kbInfo->End_Second_Range = 0;
  47   kbInfo->StateSize = 16;
  48
  49   return sizeof(KBINFO);
  50 }
  51
  52 /***********************************************************************
  53  *           KEYBOARD_Enable                    (KEYBOARD.2)
  54  */
  55 VOID WINAPI KEYBOARD_Enable( LPKEYBD_EVENT_PROC lpKeybEventProc,
  56                              LPBYTE lpKeyState )
  57 {
  58   static BOOL initDone = FALSE;
  59
  60   THUNK_Free( (FARPROC)DefKeybEventProc );
  61
  62   DefKeybEventProc = lpKeybEventProc;
  63   pKeyStateTable = lpKeyState;
  64
  65   /* all states to false */
  66   memset( lpKeyState, 0, 256 );
  67
  68   if (!initDone) USER_Driver.pInitKeyboard();
  69   initDone = TRUE;
  70 }
  71
  72 static VOID WINAPI KEYBOARD_CallKeybdEventProc( FARPROC16 proc,
  73                                                 BYTE bVk, BYTE bScan,
  74                                                 DWORD dwFlags, DWORD dwExtraInfo )
  75 {
  76     CONTEXT86 context;
  77
  78     memset( &context, 0, sizeof(context) );
  79     context.SegCs = SELECTOROF( proc );
  80     context.Eip   = OFFSETOF( proc );
  81     context.Eax   = bVk | ((dwFlags & KEYEVENTF_KEYUP)? 0x8000 : 0);
  82     context.Ebx   = bScan | ((dwFlags & KEYEVENTF_EXTENDEDKEY) ? 0x100 : 0);
  83     context.Esi   = LOWORD( dwExtraInfo );
  84     context.Edi   = HIWORD( dwExtraInfo );
  85
  86     CallTo16RegisterShort( &context, 0 );
  87 }
  88
  89 VOID WINAPI WIN16_KEYBOARD_Enable( FARPROC16 proc, LPBYTE lpKeyState )
  90 {
  91     LPKEYBD_EVENT_PROC thunk =
  92       (LPKEYBD_EVENT_PROC)THUNK_Alloc( proc, (RELAY)KEYBOARD_CallKeybdEventProc );
  93
  94     KEYBOARD_Enable( thunk, lpKeyState );
  95 }
  96
  97 /***********************************************************************
  98  *           KEYBOARD_Disable                   (KEYBOARD.3)
  99  */
 100 VOID WINAPI KEYBOARD_Disable(VOID)
 101 {
 102   THUNK_Free( (FARPROC)DefKeybEventProc );
 103
 104   DefKeybEventProc = NULL;
 105   pKeyStateTable = NULL;
 106 }
 107
 108 /***********************************************************************
 109  *           KEYBOARD_SendEvent
 110  */
 111 void KEYBOARD_SendEvent( BYTE bVk, BYTE bScan, DWORD dwFlags,
 112                          DWORD posX, DWORD posY, DWORD time )
 113 {
 114   WINE_KEYBDEVENT wke;
 115   int iWndsLocks;
 116
 117   if ( !DefKeybEventProc ) return;
 118
 119   TRACE_(event)("(%d,%d,%04lX)\n", bVk, bScan, dwFlags );
 120
 121   wke.magic = WINE_KEYBDEVENT_MAGIC;
 122   wke.posX  = posX;
 123   wke.posY  = posY;
 124   wke.time  = time;
 125
 126   /* To avoid deadlocks, we have to suspend all locks on windows structures
 127      before the program control is passed to the keyboard driver */
 128   iWndsLocks = WIN_SuspendWndsLock();
 129   DefKeybEventProc( bVk, bScan, dwFlags, (DWORD)&wke );
 130   WIN_RestoreWndsLock(iWndsLocks);
 131 }
 132
 133 /**********************************************************************
 134  *           SetSpeed16      (KEYBOARD.7)
 135  */
 136 WORD WINAPI SetSpeed16(WORD unused)
 137 {
 138     FIXME("(%04x): stub\n", unused);
 139     return 0xffff;
 140 }
 141
 142 /**********************************************************************
 143  *           ScreenSwitchEnable      (KEYBOARD.100)
 144  */
 145 VOID WINAPI ScreenSwitchEnable16(WORD unused)
 146 {
 147   FIXME("(%04x): stub\n", unused);
 148 }
 149
 150 /**********************************************************************
 151  *           OemKeyScan      (KEYBOARD.128)(USER32.401)
 152  */
 153 DWORD WINAPI OemKeyScan(WORD wOemChar)
 154 {
 155   TRACE("*OemKeyScan (%d)\n", wOemChar);
 156
 157   return wOemChar;
 158 }
 159
 160 /**********************************************************************
 161  *      VkKeyScan                       [KEYBOARD.129]
 162  */
 163 /* VkKeyScan translates an ANSI character to a virtual-key and shift code
 164  * for the current keyboard.
 165  * high-order byte yields :
 166  *      0       Unshifted
 167  *      1       Shift
 168  *      2       Ctrl
 169  *      3-5     Shift-key combinations that are not used for characters
 170  *      6       Ctrl-Alt
 171  *      7       Ctrl-Alt-Shift
 172  *      I.e. :  Shift = 1, Ctrl = 2, Alt = 4.
 173  * FIXME : works ok except for dead chars :
 174  * VkKeyScan '^'(0x5e, 94) ... got keycode 00 ... returning 00
 175  * VkKeyScan '`'(0x60, 96) ... got keycode 00 ... returning 00
 176  */
 177
 178 WORD WINAPI VkKeyScan16(CHAR cChar)
 179 {
 180     return USER_Driver.pVkKeyScan(cChar);
 181 }
 182
 183 /******************************************************************************
 184  *      GetKeyboardType16      (KEYBOARD.130)
 185  */
 186 INT16 WINAPI GetKeyboardType16(INT16 nTypeFlag)
 187 {
 188   TRACE("(%d)\n", nTypeFlag);
 189   switch(nTypeFlag)
 190     {
 191     case 0:      /* Keyboard type */
 192       return 4;    /* AT-101 */
 193       break;
 194     case 1:      /* Keyboard Subtype */
 195       return 0;    /* There are no defined subtypes */
 196       break;
 197     case 2:      /* Number of F-keys */
 198       return 12;   /* We're doing an 101 for now, so return 12 F-keys */
 199       break;
 200     default:
 201       WARN("Unknown type\n");
 202       return 0;    /* The book says 0 here, so 0 */
 203     }
 204 }
 205
 206 /******************************************************************************
 207  *      MapVirtualKey16      (KEYBOARD.131)
 208  *
 209  * MapVirtualKey translates keycodes from one format to another
 210  */
 211 UINT16 WINAPI MapVirtualKey16(UINT16 wCode, UINT16 wMapType)
 212 {
 213     return USER_Driver.pMapVirtualKey(wCode,wMapType);
 214 }
 215
 216 /****************************************************************************
 217  *      GetKBCodePage16   (KEYBOARD.132)
 218  */
 219 INT16 WINAPI GetKBCodePage16(void)
 220 {
 221   TRACE("(void)\n");
 222   return 850;
 223 }
 224
 225 /****************************************************************************
 226  *      GetKeyNameText16   (KEYBOARD.133)
 227  */
 228 INT16 WINAPI GetKeyNameText16(LONG lParam, LPSTR lpBuffer, INT16 nSize)
 229 {
 230     return USER_Driver.pGetKeyNameText(lParam, lpBuffer, nSize);
 231 }
 232
 233 /****************************************************************************
 234  *      ToAscii   (KEYBOARD.4)
 235  *
 236  * The ToAscii function translates the specified virtual-key code and keyboard
 237  * state to the corresponding Windows character or characters.
 238  *
 239  * If the specified key is a dead key, the return value is negative. Otherwise,
 240  * it is one of the following values:
 241  * Value        Meaning
 242  * 0    The specified virtual key has no translation for the current state of the keyboard.
 243  * 1    One Windows character was copied to the buffer.
 244  * 2    Two characters were copied to the buffer. This usually happens when a
 245  *      dead-key character (accent or diacritic) stored in the keyboard layout cannot
 246  *      be composed with the specified virtual key to form a single character.
 247  *
 248  * FIXME : should do the above (return 2 for non matching deadchar+char combinations)
 249  *
 250  */
 251 INT16 WINAPI ToAscii16(UINT16 virtKey,UINT16 scanCode, LPBYTE lpKeyState,
 252                        LPVOID lpChar, UINT16 flags)
 253 {
 254     return ToAscii( virtKey, scanCode, lpKeyState, lpChar, flags );
 255 }
 256
 257 /***********************************************************************
 258  *              KEYBOARD_GetBeepActive
 259  */
 260 BOOL KEYBOARD_GetBeepActive()
 261 {
 262     return USER_Driver.pGetBeepActive();
 263 }
 264
 265 /***********************************************************************
 266  *              KEYBOARD_SetBeepActive
 267  */
 268 void KEYBOARD_SetBeepActive(BOOL bActivate)
 269 {
 270     USER_Driver.pSetBeepActive(bActivate);
 271 }
 272
 273 /***********************************************************************
 274  *           MessageBeep16   (USER.104)
 275  */
 276 void WINAPI MessageBeep16( UINT16 i )
 277 {
 278     MessageBeep( i );
 279 }
 280
 281 /***********************************************************************
 282  *           MessageBeep   (USER32.390)
 283  */
 284 BOOL WINAPI MessageBeep( UINT i )
 285 {
 286     USER_Driver.pBeep();
 287     return TRUE;
 288 }